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ehidna [41]
3 years ago
7

The amoeba is protozoan that moves with

Biology
1 answer:
Alexxandr [17]3 years ago
8 0
The amoeba moves with the pseudopodia
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What is (2x+3)^2.<br> =__x^2+__x+__
rjkz [21]

Answer:

4 12 9

Explanation:

a^2 + b^2+ 2ab

6 0
4 years ago
At which location would you expect relatively peaceful volcanic eruptions?
beks73 [17]
Nowhere because its a volcanic eruption that destroys everything... well maybe for an island somewhere nowhere anywhere land
5 0
4 years ago
In the wild, various sperm and egg cells must navigate a complex environment to complete fertilization. There are mechanisms in
g100num [7]

Answer:

pre-zygotic reproductive isolation

Explanation:

<em>The molecules regulate the pre-zygotic reproductive isolation mechanism.</em>

<u>Reproductive isolation generally refers to the variety of biological processes that sustain the formation of new species of biological organisms. </u>

Some of these processes <em>act to prevent fertilization or the formation of zygotes between organisms that are not of the same species</em> (pre-zygotic mechanisms) while others <em>ensure that the product of fertilization is invalid</em> in case the former fails (post-zygotic mechanisms).

Some pre-zygotic mechanisms ensure that there exists no form of mating among organisms that are not of the same species due to incompatible reproductive organs, but where this fails, another pre-zygotic mechanism will act so that that the mating will not lead to fertilization and there will not be formation of zygotes.

The prevention of fertilization between organisms with compatible reproductive organs but of different species is carried out by molecules. These molecules ensure that there are locks and keys in place to prevent the fertilization of the egg by the sperm.

8 0
3 years ago
Surfactant:
BARSIC [14]

Answer:

The correct answer will be option-D

Explanation:

Pulmonary Surfactant is a complex substance produced by the pneumocytes epithelial II cells in the alveolar sac.

The surfactant is composed of the proteins and lipids which plays a role in keeping alveoli open by reducing the surface tension formed between the air and liquid.

The surfactant act by forming a monolayer surface film which helps reduce the surface tension.

Thus, option-D is the correct answer.

3 0
3 years ago
May I have 1 cell or many cell <br> What is my name?
denpristay [2]
Organism is the answer i think


6 0
4 years ago
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